CN203589860U - Stator punching sheet and single-phase asynchronous motor equipped with stator punching sheet - Google Patents
Stator punching sheet and single-phase asynchronous motor equipped with stator punching sheet Download PDFInfo
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- CN203589860U CN203589860U CN201320673323.8U CN201320673323U CN203589860U CN 203589860 U CN203589860 U CN 203589860U CN 201320673323 U CN201320673323 U CN 201320673323U CN 203589860 U CN203589860 U CN 203589860U
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- 238000004080 punching Methods 0.000 title claims abstract description 72
- 238000004804 winding Methods 0.000 claims description 42
- 230000007704 transition Effects 0.000 claims description 17
- 230000005404 monopole Effects 0.000 claims description 16
- 238000009826 distribution Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 29
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model is suitable for the technical field of a motor and provided a stator punching sheet. The stator punching sheet comprises a punching sheet body, a central hole for a rotor to penetrate is formed in the punching sheet body, and an inner wall of the central hole is provided with a plurality of wire embedding slot groups; each wire embedding slot group comprises a big slot and two small slots, and the two small slots of the same wire embedding slot group are arranged on the same side with the corresponding big slot; the spacing of any two adjacent small slots is equal to the spacing between any big slot and the corresponding adjacent small slot, and the spacing is from 5.0mm to 5.6mm; and the diameter of the central hole is between 70mm and 74mm. The utility model further provides a single-phase asynchronous motor, the single-phase asynchronous motor comprises a stator core, and a plurality of the stator punching sheets are laminated to form the stator core. According to the stator punching sheet and the single-phase asynchronous motor, the wire embedding slots are designed to be the big slots and the small slots, the big slots and the small slots have different sizes, the total slot area is reduced, and the spacing between each two adjacent slots and the diameter of the central hole are increased, so magnetic path distribution uniformity of a stator, the material utilization rate and the rotational inertia are improved, and the cost is reduced.
Description
Technical field
The utility model belongs to motor technology field, relates in particular to a kind of stator punching and has the monopole asynchronous motor of this stator punching.
Background technology
Stator and rotor are two vitals of motor, and wherein, stator comprises stator core and be embedded at the stator winding on stator core, and stator core is overrided to form by a plurality of stator punchings.Stator punching generally comprises punching body, offers the centre bore wearing for rotor on punching body, is circumferentially concaved with several and for stator winding, embeds the line embedding groove of installing on the inwall of centre bore.
Monopole asynchronous motor is a kind of low power motor, and it is widely used on household electrical appliance and small mechanical equipment.The stator winding of monopole asynchronous motor generally comprises main winding and auxiliary winding, and the structure of main winding and auxiliary winding is generally not identical.The stator punching of existing monopole asynchronous motor has the following disadvantages in structural design:
1) the center-hole diameter operated by rotary motion on the stator punching of existing monopole asynchronous motor must be less, generally, between 51mm～68mm, like this, makes the moment of inertia of motor lower.
2) line embedding groove on the stator punching of existing monopole asynchronous motor, is traditionally arranged to be all identical flute profiles of shape, size; And the spacing operated by rotary motion between adjacent two line embedding grooves obtains smaller, generally between 3.0mm～3.7mm.Like this, make on the one hand that the flute profile of line embedding groove is more single and groove area is large, and then make the consumption of stator winding larger; Make on the other hand stator punching yoke portion (part between line embedding groove and punching body outer wall) on circumference, have phenomenon pockety, thereby caused the problems such as magnetic circuit maldistribution, stock utilization is low, cost is high, motor efficiency is low, noise is high.
3) stator punching profile mostly is simple square structure, thereby makes stator radiating effect poor, and like this, motor temperature rise in running is higher, and then has had a strong impact on the useful life of motor.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of stator punching is provided and has had the monopole asynchronous motor of this stator punching, it is intended to solve and because stator laminating structure design is unreasonable, causes stator magnetic circuit maldistribution, stator punching stock utilization is low, cost is high, moment of inertia is low technical problem.
The utility model is achieved in that a kind of stator punching, comprise punching body, on described punching body, offer the centre bore wearing for rotor, on the inwall of described centre bore, be uniformly-spaced concaved with some groups of line embedding groove groups, described line embedding groove group comprises a vat and two sulculuses, and same described line embedding groove group two described in sulculus be located at the same side of described vat; Spacing described in arbitrary neighborhood two between sulculus is equal to the spacing between vat and described sulculus described in arbitrary neighborhood, and this spacing is between 5.0mm～5.6mm; The diameter of described centre bore is between 70mm～74mm.
Preferably, described vat is round bottomed vessel, it comprises the first notch of being communicated with described centre bore, is arranged with in the first medial launder section at the bottom of the first arc groove of described center bore inner wall entity side and between at the bottom of being connected in described the first notch and described the first arc groove, and the width of described the first notch is between 1.5mm～2.2mm, and the radius at the bottom of described the first arc groove is between 3.0mm～3.3mm.
Further, between described the first notch and described the first medial launder section, be also provided with First Transition groove shoulder, described First Transition groove is takeed on distance between described center bore inner wall between 0.6mm～0.8mm, described the first medial launder section to the distance between described center bore inner wall between 1.05mm～1.5mm, at the bottom of described the first arc groove to the distance between described center bore inner wall between 8.05mm～10.5mm.
Preferably, described sulculus is round bottomed vessel, it comprises the second notch of being communicated with described centre bore, is arranged with in the second medial launder section at the bottom of the second arc groove of described center bore inner wall entity side and between at the bottom of being connected in described the second notch and described the second arc groove, and the width of described the second notch is between 1.5mm～2.2mm, and the radius at the bottom of described the second arc groove is between 2.8mm～3.0mm.
Further, between described the second notch and described the second medial launder section, be also provided with the second lead-over groove shoulder, described the second lead-over groove is takeed on distance between described center bore inner wall between 0.6mm～0.8mm, described the second medial launder section to the distance between described center bore inner wall between 1.05mm～1.5mm, at the bottom of described the second arc groove to the distance between described center bore inner wall between 6.05mm～8.5mm.
Preferably, the outer wall profile of described punching body is octagon structure.
Further, on the four edges edge of described octagon structure towards back to the direction of described centre bore respectively convex be provided with four lugs, and between any two adjacent described lugs, be equipped with an edge of described octagon structure, described lug is provided with the through hole wearing for securing member.
Preferably, the both sides of described lug are connected with the smooth arc transition that is connected between described punching body outer wall.
Preferably, described line embedding groove group is provided with eight groups, and described in eight groups line embedding groove group along the inwall of described centre bore uniformly-spaced uniform ring winding put.
Further, the utility model also provides a kind of monopole asynchronous motor, comprises stator core, and described stator core is overrided to form by a plurality of above-mentioned stator punchings.
The stator punching that the utility model provides and there is the monopole asynchronous motor of this stator punching, by line embedding groove being designed to vat and sulculus its distributing position of appropriate design that size is different, can improve on the one hand the utilance (being especially beneficial to the utilance improving for the line embedding groove group of while setting-in main winding and auxiliary winding) of line embedding groove; Can dwindle on the other hand the groove face area of line embedding groove, and it is by increasing the spacing between adjacent two grooves, can further effectively dwindle the groove face area of line embedding groove, like this, can reduce stator winding consumption, improve stock utilization, cost-saving, and make the distribution of stator punching yoke portion on circumference more even, the magnetic circuit density of distribution of tooth portion (part between line embedding groove and line embedding groove) and yoke portion (part between line embedding groove and punching body outer wall) is moderate, thereby is beneficial to the noise that reduces motor and the efficiency that improves motor.Meanwhile, it is by increasing the diameter of centre bore, moment of inertia that can increasing motor, thus be beneficial to the stability that guarantees motor speed, and then be beneficial to the efficiency that improves motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stator punching that provides of the utility model embodiment;
Fig. 2 is the structural representation of the line embedding groove group that provides of the utility model embodiment;
Fig. 3 is the distribution of sizes schematic diagram of the stator punching that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The stator punching that the utility model embodiment provides, both differed larger monopole asynchronous motor applicable to main winding and auxiliary winding, also identical with auxiliary winding applicable to main winding or with the monopole asynchronous motor of tap speed-regulating.
As shown in Figures 1 to 3, the stator punching that the utility model embodiment provides, comprise punching body 1, on punching body 1, offer the centre bore 11 wearing for rotor (not shown), on the inwall of centre bore 11, be uniformly-spaced concaved with some groups and for stator winding (not shown), embed the line embedding groove group 12 of installing, line embedding groove group 12 comprises a vat 121 and two sulculuses 122, and two sulculuses 122 of same line embedding groove group 12 are located at the same side of vat 121; Spacing between arbitrary neighborhood two sulculuses 122 (minimum ranges between adjacent two sulculuses 122) is equal to the spacing between arbitrary neighborhood vat 121 and sulculus 122, be that the spacing L1 of any two adjacent slots (two adjacent sulculuses 122 or adjacent vat 121 and sulculus 122) on centre bore 11 inwall circumferencial directions all equates, and this spacing L1 is between 5.0mm～5.6mm; The diameter of phi 1 of centre bore 11 is between 70mm～74mm.The spacing L1 of any two adjacent slots (two adjacent sulculuses 122 or adjacent vat 121 and sulculus 122) on centre bore 11 inwall circumferencial directions all equate, refers to that spacing between the arbitrary neighborhood two grooves projection arc length on centre bore 11 inwalls all equates.The setting of sulculus 122, can dwindle the whole groove face area of line embedding groove, and can increase the spacing L1 between adjacent two grooves.The spacing of its adjacent two sulculuses 122 and adjacent vat 121 are set to equate with the spacing between sulculus 122, and make this spacing L1 between 5.0mm～5.6mm, like this, can be beneficial on the one hand the spacing L1 size between unified each adjacent two grooves, thereby be beneficial to the design course of processing of simplifying stator punching; Can make on the other hand the magnetic circuit of stator punching distribute more even.The stator punching that the utility model embodiment provides, by line embedding groove being designed to vat 121 and the sulculus 122 that size is different, can improve on the one hand the utilance (being especially beneficial to the utilance improving for the line embedding groove group of while setting-in main winding and auxiliary winding) of line embedding groove; Can dwindle on the other hand the groove face area of line embedding groove, and it is by increasing the spacing L1 between adjacent two grooves, can further effectively dwindle the groove face area of line embedding groove, like this, can reduce stator winding consumption, can improve stock utilization, cost-saving, and make the distribution of stator punching yoke portion on circumference more even, the magnetic circuit density of distribution of tooth portion (part between line embedding groove and line embedding groove) and yoke portion (part between line embedding groove and punching body 1 outer wall) is moderate, thereby be beneficial to, improves the noise that reduces motor and the efficiency that improves motor.Meanwhile, it is by increasing the diameter of phi 1 of centre bore 11, moment of inertia that can increasing motor, thus be beneficial to the stability that guarantees motor speed, and then be beneficial to the efficiency that improves motor.
Preferably, as shown in Figure 2, vat 121 is round bottomed vessel, it comprises the first notch 1211 of being communicated with centre bore 11, be arranged with at the bottom of the first arc groove of centre bore 11 inwall entity sides 1212 and be connected in the first notch 1211 and the first arc groove at the bottom of the first medial launder section 1213 between 1212, and K1 is between 1.5mm～2.2mm for the width of the first notch 1211 (i.e. the projection width of the first notch 1211 on centre bore 11 inwall circumferencial directions), and at the bottom of the first arc groove, 1212 radius R 1 is between 3.0mm～3.3mm.Because the embedding of stator winding in the situation that copper factor is identical in round bottomed vessel installed than the embedding installation at flat-bottom slot easily, therefore, vat 121 is set to round bottomed vessel, can be convenient to the embedding of stator winding in vat 121 and install; Meanwhile, because the mould of round bottomed vessel is easier to manufacture than the mould of flat-bottom slot, therefore, vat 121 is set to round bottomed vessel, can simplify the Design of Dies course of processing of vat 121 and reduce the processing cost of stator punching.The present embodiment, the size of 1212 radius R 1 at the bottom of width K1 by optimal design the first notch 1211 and the first arc groove, can be convenient to the embedding of stator winding in vat 121 installs, and be beneficial to and improve stator winding and be flush-mounted in the utilance in vat 121, thereby can make the distribution of stator winding in vat 121 more reasonable.
Further, as shown in Figures 2 and 3, between the first notch 1211 and the first medial launder section 1213, be also provided with First Transition groove shoulder 1214, First Transition groove shoulder 1214 to the distance between centre bore 11 inwalls between 0.6mm～0.8mm, the first medial launder section 1213 to the distance between centre bore 11 inwalls between 1.05mm～1.5mm, at the bottom of the first arc groove 1212 to the distance between centre bore 11 inwalls between 8.05mm～10.5mm, be that First Transition groove shoulder 1214 degree of depth that are radially arranged with along centre bore 11 (being the projected length of First Transition groove shoulder 1214 in centre bore 11 diametric(al)s) H3 is between 0.45mm～0.7mm, H4 is between 0.6mm～0.8mm for the degree of depth that the first notch 1211 is radially arranged with along centre bore 11 (i.e. the projected length of the first notch 1211 in centre bore 11 diametric(al)s), H1 is between 7.0mm～9.0mm for the degree of depth that the first medial launder section 1213 is radially arranged with along centre bore 11 (i.e. the projected length of the first medial launder section 1213 in centre bore 11 diametric(al)s), and at the bottom of the first arc groove of each vat 121,1212 tangent diameter of a circle Φ 3 are between 94mm～96mm.The setting of First Transition groove shoulder 1214, can make the lead-over groove section gradient between the first notch 1211 and the first medial launder section 1213 relatively relax, and be beneficial to width K1 size, the depth H 4 of the first notch 1211 and the depth H 1 of the first medial launder section 1213 of controlling the first notch 1211.The present embodiment, the size of depth H 3, the depth H 4 of the first notch 1211 and the depth H 1 of the first medial launder section 1213 by optimal design First Transition groove shoulder 1214, install to the embedding of stator winding in vat 121 offers convenience, and be beneficial to and improve stator winding and be flush-mounted in the copper factor in vat 121, thereby can make the distribution of stator winding in vat 121 more reasonable.
Preferably, as Fig. 2, sulculus 122 is round bottomed vessel, it comprises the second notch 1221 of being communicated with centre bore 11, be arranged with at the bottom of the second arc groove of centre bore 11 inwall entity sides 1222 and be connected in the second notch 1221 and the second arc groove at the bottom of the second medial launder section 1223 between 1222, and K2 is between 1.5mm～2.2mm for the width of the second notch 1221 (i.e. the projection width of the second notch 1221 on centre bore 11 inwall circumferencial directions), and at the bottom of the second arc groove, 1222 radius R 2 is between 2.8mm～3.0mm.Similar to the design principle of vat 121, sulculus 122 is designed to round bottomed vessel, can be convenient on the one hand the embedding of stator winding in sulculus 122 and install; Can simplify on the other hand the Design of Dies course of processing of sulculus 122 and the processing cost of reduction stator punching.The present embodiment, the size of 1222 radius R 2 at the bottom of width K2 by optimal design the second notch 1221 and the second arc groove, can be convenient to the embedding of stator winding in sulculus 122 installs, and be beneficial to and improve stator winding and be flush-mounted in the copper factor in sulculus 122, thereby can make the distribution of stator winding in sulculus 122 more reasonable.
Further, as shown in Figures 2 and 3, between the second notch 1221 and the second medial launder section 1223, be also provided with the second lead-over groove shoulder 1224, the second lead-over groove shoulder 1224 to the distance between centre bore 11 inwalls between 0.6mm～0.8mm, the second medial launder section 1223 to the distance between described centre bore 11 inwalls between 1.05mm～1.5mm, at the bottom of the second arc groove 1222 to the distance between centre bore 11 inwalls between 6.05mm～8.5mm, second lead-over groove shoulder 1224 degree of depth that are radially arranged with along centre bore 11 (i.e. the projected length of the second lead-over groove shoulder 1224 in centre bore 11 diametric(al)s) H5 is between 0.45mm～0.7mm, H6 is between 0.6mm～0.8mm for the degree of depth that the second notch 1221 is radially arranged with along centre bore 11 (i.e. the projected length of the second notch 1221 in centre bore 11 diametric(al)s), H2 is between 5.0mm～7.0mm for the degree of depth that the second medial launder section 1223 is radially arranged with along centre bore 11 (i.e. the projected length of the second medial launder section 1223 in centre bore 11 diametric(al)s), and at the bottom of the second arc groove of each sulculus 122,1222 tangent diameter of a circle Φ 4 are between 90mm～92mm.The setting of the second lead-over groove shoulder 1224, can make the lead-over groove section gradient between the second notch 1221 and the second medial launder section 1223 relatively relax, and be beneficial to depth H 2 sizes of controlling the width K2 size of the second notch 1221, depth H 6 sizes of the second notch 1221 and the second medial launder section 1223.The present embodiment, the size of depth H 5, the depth H 6 of the second notch 1221 and the depth H 2 of the second medial launder section 1223 by optimal design the second lead-over groove shoulder 1224, install to the embedding of stator winding in sulculus 122 offers convenience, and be beneficial to and improve stator winding and be flush-mounted in the utilance in sulculus 122, thereby can make the distribution of stator winding in sulculus 122 more reasonable.
More preferably, the spacing L1 of arbitrary neighborhood two grooves is 5.4mm, the diameter of phi 1 of centre bore 11 is between 72mm, the width K1 of the first notch 1211 is 2.2mm, at the bottom of the first arc groove, 1212 radius R 1 is 3.11mm, the depth H 3 of First Transition groove shoulder 1214 is 0.5mm, the depth H 4 of the first notch 1211 is 0.7mm, the depth H 1 of the first medial launder section 1213 is 7.3mm, the width K2 of the second notch 1221 is 2.2mm, at the bottom of the second arc groove, 1222 radius R 2 is 2.85mm, the depth H 5 of the second lead-over groove shoulder 1224 is 0.5mm, the depth H 6 of the second notch 1221 is 0.7mm, the depth H 2 of the second medial launder section 1223 is 5.3mm, and at the bottom of the first arc groove of each vat 121,1212 tangent diameter of a circle Φ 3 are between 94mm～96mm, and at the bottom of the second arc groove of each sulculus 122,1222 tangent diameter of a circle Φ 4 are between 90mm～92mm.The present embodiment, by optimizing each size value of vat 121 and sulculus 122, the utilance that can make stator winding be flush-mounted in vat 121 and sulculus 122 is higher, and can make the distribution uniform of magnetic circuit, and then is beneficial to the noise that reduces motor and the efficiency that improves motor.
Preferably, as shown in figures 1 and 3, the outer wall profile of punching body 1 is octagon structure, like this, be beneficial on the one hand the surface area that increases the stator core of being made by this stator punching, thereby be beneficial to the radiating effect that improves stator, be beneficial to the temperature rise that reduces motor, and then be beneficial to the useful life that guarantees motor; Be beneficial on the other hand and improve the uniformity that yoke portion distributes on circumference, thereby be beneficial to, improve the uniformity that magnetic circuit distributes, and then be beneficial to the noise that reduces motor and the efficiency that improves motor.Preferably, the opposite side distance of octagon structure between 105mm～115mm, like this, can make the distribution of magnetic circuit in slot part and yoke portion more even from (inscribed circle of octagon structure).More preferably, the opposite side distance of octagon structure is from being 108mm, i.e. L2=L3=L4=L5=108mm.
Further, as shown in figures 1 and 3, on the four edges edge of octagon structure towards back to the direction of centre bore 11 respectively convex be provided with four lugs 2, and between any two adjacent lugs 2, be equipped with an edge of octagon structure, the four edges edge that convexes with the octagon structure of lug 2 is four mutual non-conterminous edges; Lug 2 is provided with the through hole 21 wearing for securing member.The setting of lug 2, is mainly used in realizing the installation on motor body of the stator made by this stator punching.During concrete installation, securing member is fixedly connected with the body of motor through the through hole 21 on lug 2.Preferably, the circumscribed circle diameter Φ 2 of lug 2 is between 135mm～140mm, and more preferably, the circumscribed circle diameter Φ 2 of lug 2 is 137mm.
Preferably, as shown in figures 1 and 3, the both sides of lug 2 are connected with the smooth arc transition that is connected between punching body 1 outer wall, and the both sides of lug 2 all connect the outer wall of punching body 1 by smooth transition segmental arc 22.Like this, can avoid stress concentration phenomenon on the one hand, be beneficial on the other hand the surface area that improves the stator core of being made by this stator punching, thereby be beneficial to the radiating effect that improves stator, be beneficial to the temperature rise that reduces motor, and then be beneficial to the useful life that guarantees motor.Preferably, smooth transition segmental arc 22 radius Rs 3 between lug 2 sidepieces and punching body 1 outer wall are between 4mm～7mm.More preferably, 22 radius Rs 3 of the smooth transition segmental arc between lug 2 sidepieces and punching body 1 outer wall are 7mm.
Preferably, as shown in figures 1 and 3, line embedding groove group 12 is provided with eight groups, and eight groups of line embedding groove groups 12 along the inwall of centre bore 11 uniformly-spaced uniform ring winding put, be that spacing between the arbitrary neighborhood two line embedding groove groups 12 projection arc length on centre bore 11 inwalls all equates, vat 121 and sulculus 122 are all symmetrical with respect to the first center line 101 and the second center line 102.
Further, the utility model embodiment also provides a kind of monopole asynchronous motor, comprise shell (not shown), rotor and stator, stator comprises stator core and is embedded at the stator winding (not shown) on stator core, stator core is overrided to form by a plurality of above-mentioned stator punchings, and stator winding comprises main winding and auxiliary winding.Stator is installed in shell, and rotor rotates and is installed in the centre bore 11 of stator, and the two ends of shell are equipped with the bearing chamber (not shown) wearing for rotor, are equiped with the bearing (not shown) for support rotor in bearing chamber.Preferably, bearing chamber can be beneficial to the machining accuracy that improves bearing chamber like this with shell by injection moulding integrated molding, and can exempt the efficiency of assembling of machining processes and raising motor.Certainly, in concrete application, bearing chamber and shell also can be divided into two independently parts, and the two ends of shell are respectively equipped with the cavity that embeds installation for bearing chamber, and bearing chamber can be made by metal material, and shell can be made by non-metal insulating material.The monopole asynchronous motor that the utility model embodiment provides, because adopting above-mentioned stator punching, makes its stator core, so, increased motor moment of inertia, reduced motor production cost, reduced motor noise, promoted the efficiency of motor, and improved stator radiating effect, reduced the temperature rise of motor.
The monopole asynchronous motor that the utility model embodiment provides, goes on the motor of the household electrical appliance such as smoke exhaust ventilator, washing machine, blower fan, dryer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a stator punching, comprise punching body, on described punching body, offer the centre bore wearing for rotor, on the inwall of described centre bore, be uniformly-spaced concaved with some groups of line embedding groove groups, it is characterized in that: described line embedding groove group comprises a vat and two sulculuses, and same described line embedding groove group two described in sulculus be located at the same side of described vat; Spacing described in arbitrary neighborhood two between sulculus is equal to the spacing between vat and described sulculus described in arbitrary neighborhood, and this spacing is between 5.0mm～5.6mm; The diameter of described centre bore is between 70mm～74mm.
2. stator punching as claimed in claim 1, it is characterized in that: described vat is round bottomed vessel, it comprises the first notch of being communicated with described centre bore, is arranged with in the first medial launder section at the bottom of the first arc groove of described center bore inner wall entity side and between at the bottom of being connected in described the first notch and described the first arc groove, and the width of described the first notch is between 1.5mm～2.2mm, and the radius at the bottom of described the first arc groove is between 3.0mm～3.3mm.
3. stator punching as claimed in claim 2, it is characterized in that: between described the first notch and described the first medial launder section, be also provided with First Transition groove shoulder, described First Transition groove is takeed on distance between described center bore inner wall between 0.6mm～0.8mm, described the first medial launder section to the distance between described center bore inner wall between 1.05mm～1.5mm, at the bottom of described the first arc groove to the distance between described center bore inner wall between 8.05mm～10.5mm.
4. the stator punching as described in claims 1 to 3 any one, it is characterized in that: described sulculus is round bottomed vessel, it comprises the second notch of being communicated with described centre bore, is arranged with in the second medial launder section at the bottom of the second arc groove of described center bore inner wall entity side and between at the bottom of being connected in described the second notch and described the second arc groove, and the width of described the second notch is between 1.5mm～2.2mm, and the radius at the bottom of described the second arc groove is between 2.8mm～3.0mm.
5. stator punching as claimed in claim 4, it is characterized in that: between described the second notch and described the second medial launder section, be also provided with the second lead-over groove shoulder, described the second lead-over groove is takeed on distance between described center bore inner wall between 0.6mm～0.8mm, described the second medial launder section to the distance between described center bore inner wall between 1.05mm～1.5mm, at the bottom of described the second arc groove to the distance between described center bore inner wall between 6.05mm～8.5mm.
6. the stator punching as described in claims 1 to 3 any one, is characterized in that: the outer wall profile of described punching body is octagon structure.
7. stator punching as claimed in claim 6, it is characterized in that: on the four edges edge of described octagon structure towards back to the direction of described centre bore respectively convex be provided with four lugs, and between any two adjacent described lugs, be equipped with an edge of described octagon structure, described lug is provided with the through hole wearing for securing member.
8. stator punching as claimed in claim 7, is characterized in that: the both sides of described lug are connected with the smooth arc transition that is connected between described punching body outer wall.
9. stator punching as claimed in claim 1, is characterized in that: described line embedding groove group is provided with eight groups, and described in eight groups line embedding groove group along the inwall of described centre bore uniformly-spaced uniform ring winding put.
10. a monopole asynchronous motor, comprises stator core, it is characterized in that: described stator core is overrided to form by a plurality of stator punchings as described in claim 1～9 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673323.8U CN203589860U (en) | 2013-10-29 | 2013-10-29 | Stator punching sheet and single-phase asynchronous motor equipped with stator punching sheet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320673323.8U CN203589860U (en) | 2013-10-29 | 2013-10-29 | Stator punching sheet and single-phase asynchronous motor equipped with stator punching sheet |
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| CN203589860U true CN203589860U (en) | 2014-05-07 |
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| CN201320673323.8U Expired - Lifetime CN203589860U (en) | 2013-10-29 | 2013-10-29 | Stator punching sheet and single-phase asynchronous motor equipped with stator punching sheet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768006A (en) * | 2018-08-17 | 2018-11-06 | 无锡晶晟科技股份有限公司 | Stator laminating structure of motor and its method for winding |
| CN110289710A (en) * | 2019-07-09 | 2019-09-27 | 山西电机制造有限公司 | A kind of big sulculus stator punching that MgO-ZrO_2 brick is 9 |
| CN110768409A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Stator, single-phase induction motor, compressor and refrigeration equipment |
| CN110808642A (en) * | 2018-08-06 | 2020-02-18 | 通用汽车环球科技运作有限责任公司 | Electric motor |
-
2013
- 2013-10-29 CN CN201320673323.8U patent/CN203589860U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768409A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Stator, single-phase induction motor, compressor and refrigeration equipment |
| CN110808642A (en) * | 2018-08-06 | 2020-02-18 | 通用汽车环球科技运作有限责任公司 | Electric motor |
| CN108768006A (en) * | 2018-08-17 | 2018-11-06 | 无锡晶晟科技股份有限公司 | Stator laminating structure of motor and its method for winding |
| CN110289710A (en) * | 2019-07-09 | 2019-09-27 | 山西电机制造有限公司 | A kind of big sulculus stator punching that MgO-ZrO_2 brick is 9 |
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